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Table 4 Trend and annual variation (APC—annual percent change) of the adjusted in-hospital morbidity rates due to oral and oropharyngeal cancers, by macroregion, gender and by overall distribution. Brazil, 2002–2013*

From: Characteristics and in-hospital morbidity trends associated with oral and oropharyngeal cancers in Brazil

Variables

APC (%)

CI (95%)

P-value

Trend

Lower

Upper

Both genders

     

North

 − 0.18

 − 1.42

1.07

0.75

Stable

Northeast

5.67

3.90

7.47

 < 0.001

Increasing

Southeast

0.38

 − 0.64

1.41

0.43

Stable

South

6.97

1.83

12.37

0.01

Increasing

Midwest

5.97

0.40

11.86

0.04

Increasing

Total Brazil

2.62

1.20

4.06

0.00

Increasing

Male gender

     

North

 − 0.08

 − 1.38

1.23

0.89

Stable

Northeast

6.22

4.36

8.12

 < 0.001

Increasing

Southeast

0.26

 − 0.74

1.27

0.57

Stable

South

7.03

1.50

12.86

0.02

Increasing

Midwest

6.70

0.73

13.03

0.03

Increasing

Total Brazil

2.60

1.14

4.07

0.00

Increasing

Female gender

     

North

 − 0.30

 − 2.55

2.00

0.77

Stable

Northeast

4.34

2.74

5.96

 < 0.001

Increasing

Southeast

0.81

 − 0.44

2.07

0.18

Stable

South

7.26

3.90

10.74

0.00

Increasing

Midwest

3.85

 − 0.59

8.48

0.08

Stable

Total Brazil

2.68

1.26

4.11

0.00

Increasing

  1. *As the rates were unstable in the first and last years of the “2000 to 2015” series, it was decided to carry out the trend analysis without the years 2000, 2001, 2014 and 2015 [18]